perf_counter.hpp

//
// Copyright (c) 2018-2020 Manuel Pöter.
// Licensed under the MIT License. See LICENSE file in the project root for full license information.
//
 
#ifndef XENIUM_RECLAMATION_DETAIL_PERF_COUNTER_HPP
#define XENIUM_RECLAMATION_DETAIL_PERF_COUNTER_HPP
 
#include <cstdint>
 
namespace xenium::reclamation::detail {
#ifdef WITH_PERF_COUNTER
struct perf_counter {
  perf_counter(std::size_t& counter) : counter(counter), cnt() {}
  ~perf_counter() { counter += cnt; }
  void inc() { ++cnt; }
 
private:
  std::size_t& counter;
  std::size_t cnt;
};
 
  #define PERF_COUNTER(name, counter) xenium::reclamation::detail::perf_counter name(counter);
  #define INC_PERF_CNT(counter) ++counter;
#else
struct perf_counter {
  perf_counter() = default;
  void inc() {}
};
 
  #define PERF_COUNTER(name, counter) xenium::reclamation::detail::perf_counter name;
  #define INC_PERF_CNT(counter)
#endif
} // namespace xenium::reclamation::detail
 
#endif